<template>
  <div class="app-container">
    课程列表

    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="courseQuery.title" placeholder="课程名称"/>
      </el-form-item>

      <el-form-item>
        <el-select v-model="courseQuery.status" clearable placeholder="课程状态">
          <el-option value="Normal" label="已发布"/>
          <el-option value="Draft" label="未发布"/>
        </el-select>
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>

    <!-- 表格 -->
    <el-table
      :data="list"
      border
      fit
      highlight-current-row>

      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="title" label="课程名称" width="80" />

      <el-table-column label="课程状态" width="80">
        <template slot-scope="scope">
          {{ scope.row.status==='Normal'?'已发布':'未发布' }}
        </template>
      </el-table-column>

      <el-table-column prop="lessonNum" label="课时数" />

      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>

      <el-table-column prop="viewCount" label="浏览数量" width="60" />

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/course/info/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">编辑课程基本信息</el-button>
          </router-link>
          <router-link :to="'/course/chapter/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">编辑课程大纲息</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除课程信息</el-button>
        </template>
      </el-table-column>
    </el-table>

  <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />

  </div>
</template>
<script>
import course from '@/api/edu/course'
export default {
    data(){
        return{
            list: null, // 数据列表

            total: 0, // 总记录数

            page: 1, // 页码

            limit: 5, // 每页记录数

            courseQuery: {

            subjectParentId: '',

            subjectId: '',

            title: '',

            teacherId: '',
            status: 'Normal'
            }, // 查询条件
        }
    },
    created(){
        this.getList()
    },
    methods:{
        getList(page=1){
            this.page=page
            course.getList(this.page,this.limit,this.courseQuery).then(response=>{
                this.total=response.data.total
                this.list=response.data.list
                console.log(this.list)
                console.log(this.total)
            })
        },
        resetData() {

        this.courseQuery = {}

        this.getList()

        },
        removeDataById(id){
            this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {

                confirmButtonText: '确定',

                cancelButtonText: '取消',

                type: 'warning'

            }).then(() => {

                return course.deleteCourse(id)

            }).then(() => {
this.courseQuery = {}
                this.getList()

                this.$message({

                    type: 'success',

                    message: '删除成功!'

                })

            })

            }
        }
    }

</script>


<style scoped>

.myClassList .info {

    width: 450px;

    overflow: hidden;

}

.myClassList .info .pic {

    width: 150px;

    height: 90px;

    overflow: hidden;

    float: left;

}

.myClassList .info .pic a {

    display: block;

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

.myClassList .info .pic img {

    display: block;

    width: 100%;

}

.myClassList td .info .title {

    width: 280px;

    float: right;

    height: 90px;

}

.myClassList td .info .title a {

    display: block;

    height: 48px;

    line-height: 24px;

    overflow: hidden;

    color: #00baf2;

    margin-bottom: 12px;

}

.myClassList td .info .title p {

    line-height: 20px;

    margin-top: 5px;

    color: #818181;

}

</style>
